Now on iOS · Android · Web

Never miss what matters most.

Birthdays. Weddings. Fixtures. Milestones. Tomorrow's a BIG DAY keeps every important moment front of mind — with smart reminders that actually work.

50K+
Events Tracked
99%
On-time Reminders
4.9★
App Store Rating
Tomorrow's a BIG DAY
📅 April 2026
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Event Compulsory Sport Away
🎂
Mum's Birthday
📍 The Garden Room · Yearly
↻ Yearly🔒 Compulsory
🛍️
🎁
Gift Reminder — Mum
7 days out · Tap to shop in-app
🛒 Shop Now
🎁
Buy gift — Dad's Birthday
5 days to shop · Reminder set
🛍️
vs Northside Athletic
Sat 18 Apr · 2:00 PM
Smart Reminders
Birthday Tracking
Wedding Countdowns
Sports Fixtures
RSVP Management
HR Milestones
Family Events
Push Notifications
Shared Calendars
Cross-Platform Sync
Smart Reminders
Birthday Tracking
Wedding Countdowns
Sports Fixtures
RSVP Management
HR Milestones
Family Events
Push Notifications
Shared Calendars
Cross-Platform Sync
Why Choose Us

Everything you need
to stay ahead

One bold app. Every important moment. Zero surprises.

📅
Smart Calendar

A unified view of every event that matters — personal, professional and social in one elegant interface.

🔔
Intelligent Reminders

Get notified days, hours or moments before — customised to how you like to prepare for what you love.

✉️
Effortless Invites

Send beautiful event invitations directly from the app. No extra tools, no hassle.

RSVP Management

Track who's coming, who's not, and who hasn't replied — all from your dashboard in real time. Hosts can pre-set AI-powered prompts that automatically chase invited guests who haven't responded as the RSVP deadline approaches — so you always have an accurate headcount without lifting a finger.

🤖

AI-drafted nudges — the app generates warm, personalised reminder messages on the host's behalf, sent automatically to non-responders.

📅

Custom deadlines — set your RSVP closing date and the app handles all follow-up reminders automatically in the lead-up.

✉️

Pre-set prompt schedule — choose how many reminders go out, when they send, and the tone — friendly, formal or urgent.

Sports & Fixtures

Add team schedules, match days and fixtures so no one misses a game. Coaches can push notifications directly through the portal — kit reminders, venue changes, warm-up times, travel instructions and more. One seamless app for the whole squad.

🌏
Multi-Country Calendars

Select up to 3 country calendars at once. Each includes public holidays, religious events, cultural celebrations and national observances. Toggle between them instantly at the bottom of your screen — perfect for ex-pats.

🗣️
Your Language, Your Way

Select your country's home language automatically, or choose your own. Every part of the app — reminders, labels, notifications — switches to your chosen language instantly.

🏆
HR & Milestones

Work anniversaries, reviews, award ceremonies — keep your team feeling remembered and valued.

📋
Gift Registry

Event hosts can log a gift registry directly into the invite — perfect for birthdays, baby showers and milestone celebrations. As guests purchase gifts, they are automatically removed from the registry so no gift is ever doubled up. Simple, smart and stress-free for everyone.

🎁
Never Scramble for a Gift Again

Tomorrow's a BIG DAY sends you two gift reminders for every special occasion — one well in advance, one closer to the day. And the best part? You can shop for the perfect gift directly inside the app, without ever leaving it. Browse, choose and purchase — all from one place, so you never miss a gifting opportunity again.

The Process

Up and running
in four steps

Getting started takes less than two minutes. Staying on top takes zero effort after that.

01
Download the App

Available on iOS, Android and web. Sign up with email or Google in seconds.

02
Add Your Events

Import from your calendar or add manually. Birthdays, fixtures, milestones — it all belongs here.

03
Set Reminders

Choose when you want to be reminded. One day? One week? The moment it arrives? All of the above.

04
Never Miss a Thing

Sit back. We'll make sure every important moment gets the attention it deserves.

Built for a Global Life

Three countries.
One calendar.

Whether you're an ex-pat juggling two home countries, or simply someone who celebrates across borders — Tomorrow's a BIG DAY has you covered.

🌍
Select Up to 3 Country Calendars

Living abroad or staying connected to home? Select up to three country calendars simultaneously and toggle between them at the bottom of your screen. Each country calendar includes public holidays, religious observances, cultural celebrations and national events — every significant date from that country, in one view.

🇦🇺 Australia 🇬🇧 United Kingdom 🇿🇦 South Africa 🇺🇸 USA + Many more
🗣️
Choose Your Language

Select your country's home language automatically, or choose any language you prefer. The entire app — events, reminders, notifications and labels — adapts instantly. Toggle your active calendar at the bottom of the screen to switch between your selected countries at any time.

English Afrikaans French Zulu Spanish + More
Zero Stress Gift-Giving

The end of last-minute
gift panic.

We all have that sinking feeling — someone's birthday is tomorrow and you haven't got a thing. Tomorrow's a BIG DAY changes that forever.

Early Reminders

Multiple reminders keep you ahead of every occasion:

  • Reminder 1 — Weeks before — plenty of time to plan and buy a gift. Includes a direct link to the in-app shop 🛍️
  • Reminder 2 — Days before — a final nudge to sort that gift before it's too late. Also includes the in-app shop link 🛍️
  • The evening before — a reminder as the clock approaches midnight, so you're ready for the day ahead
  • On the day — triggered as the date turns over at midnight, so you wake up ready to celebrate

Gift purchase prompts are included in Reminders 1 & 2 only. The app also has a dedicated Shop tab so you can browse and purchase gifts at any time.

🛍️
Shop With Intention

Browse and purchase gifts directly inside the app. No tab-switching, no forgetting. Both your 1st and 2nd reminders include a one-tap link straight to the gift store.

😌
Total Peace of Mind

Never again forget a gift, miss a deadline or arrive empty-handed. The app has your back — every single time.

🎁
Set it once. Never forget again.

Add an event once and we handle the rest — two timely reminders every year with a direct path to in-app gift purchasing. No more last-minute panic, no more empty hands, no more missed opportunities to show someone you care.

Coaches — Push Notifications Directly to Your Squad

Tomorrow's a BIG DAY gives coaches and team managers a direct line to every player and parent on the squad. Push instant notifications through the portal for anything the team needs to know — all in one seamless app.

👕 Kit Reminder — Wear Away Strip 📍 Venue Change Alert 🕐 Warm-Up Time 🚌 Travel Instructions 📋 Team Sheet Update

Everything your team needs to know, delivered instantly. No group chats. No missed messages. Just one easy, seamless app.

New Feature

Built-in Gift Registry
inside every invite.

No more duplicate gifts. No more awkward returns. Hosts add a registry directly to the event invite — guests shop from it, and purchased items disappear instantly so everyone always knows what's still needed.

🎁
For Hosts

Create and attach a gift registry directly to your event invite in seconds. Add as many items as you like — guests see the full list when they open the invite. As gifts are purchased, they are automatically removed from the registry in real time.

Add gifts directly inside the invite
Items auto-removed once purchased
No duplicate gifts — ever
Works for birthdays, baby showers, weddings & milestones
🛍️
For Guests

Open the invite, browse the registry and purchase directly through the app. Once you buy a gift, it disappears from the list for all other guests instantly — so there is never any confusion about who is buying what.

Browse the registry inside the invite
Purchase in-app with one tap
Gift removed from list the moment it's bought
Always know exactly what's still available

Perfect for birthdays · Baby showers · Weddings · Engagements · Milestone celebrations · Housewarming parties

Built For

Every big day
in your life

From personal to professional — no milestone too small, no celebration too big.

🎂
Birthdays & Anniversaries
Never forget the people who matter most. Get reminded with plenty of time to celebrate properly.
💍
Weddings & Celebrations
Countdowns, RSVP tracking and guest reminders in one place.
Sports & Fixtures
Full season schedule in your pocket. Coaches push notifications to the whole squad — kit colour, venue, travel details and more.
🏢
Work & HR Milestones
Anniversaries, reviews and recognition — automated and always on time.
🎓
Graduations & Events
The moments worth planning for, tracked with care.
What People Say

Loved by those
who celebrate

"
★★★★★

I used to forget my own mother's birthday every other year. Now I get a reminder three days out, one day out, and on the morning. Genuinely life-changing.

Sarah M. — Sydney, Australia
"
★★★★★

We run a local football club and the fixtures feature alone is worth every cent. Parents always know where to be and when. No more group chat chaos.

Dave R. — Club Secretary
"
★★★★★

As an HR manager, work anniversaries used to slip through constantly. Now our team feel genuinely celebrated. The morale improvement has been noticeable.

Priya K. — HR Manager
Simple Pricing

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  • Up to 10 events
  • Basic push reminders
  • iOS & Android app
  • Personal calendar view
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  • Founder badge in-app
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Your next big day
is closer than you think

Download Tomorrow's a BIG DAY and start celebrating the moments that matter — before they slip by.

🍎
Download on the
App Store
▶️
Get it on
Google Play
🌐
Use it on
Web App
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